Mercurial > hg > vamp-build-and-test
comparison DEPENDENCIES/generic/include/boost/units/scaled_base_unit.hpp @ 16:2665513ce2d3
Add boost headers
author | Chris Cannam |
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date | Tue, 05 Aug 2014 11:11:38 +0100 |
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15:663ca0da4350 | 16:2665513ce2d3 |
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1 // Boost.Units - A C++ library for zero-overhead dimensional analysis and | |
2 // unit/quantity manipulation and conversion | |
3 // | |
4 // Copyright (C) 2003-2008 Matthias Christian Schabel | |
5 // Copyright (C) 2008 Steven Watanabe | |
6 // | |
7 // Distributed under the Boost Software License, Version 1.0. (See | |
8 // accompanying file LICENSE_1_0.txt or copy at | |
9 // http://www.boost.org/LICENSE_1_0.txt) | |
10 | |
11 #ifndef BOOST_UNITS_SCALED_BASE_UNIT_HPP_INCLUDED | |
12 #define BOOST_UNITS_SCALED_BASE_UNIT_HPP_INCLUDED | |
13 | |
14 #include <string> | |
15 | |
16 #include <boost/mpl/bool.hpp> | |
17 #include <boost/mpl/less.hpp> | |
18 #include <boost/type_traits/is_same.hpp> | |
19 #include <boost/type_traits/detail/ice_and.hpp> | |
20 #include <boost/type_traits/detail/ice_or.hpp> | |
21 | |
22 #include <boost/units/config.hpp> | |
23 #include <boost/units/dimension.hpp> | |
24 #include <boost/units/static_rational.hpp> | |
25 #include <boost/units/units_fwd.hpp> | |
26 | |
27 namespace boost { | |
28 | |
29 namespace units { | |
30 | |
31 template<class T> | |
32 struct heterogeneous_system; | |
33 | |
34 template<class T, class D, class Scale> | |
35 struct heterogeneous_system_impl; | |
36 | |
37 template<class T, class E> | |
38 struct heterogeneous_system_dim; | |
39 | |
40 template<class T> | |
41 struct base_unit_info; | |
42 | |
43 /// INTERNAL ONLY | |
44 struct scaled_base_unit_tag {}; | |
45 | |
46 template<class S, class Scale> | |
47 struct scaled_base_unit | |
48 { | |
49 /// INTERNAL ONLY | |
50 typedef void boost_units_is_base_unit_type; | |
51 typedef scaled_base_unit type; | |
52 typedef scaled_base_unit_tag tag; | |
53 typedef S system_type; | |
54 typedef Scale scale_type; | |
55 typedef typename S::dimension_type dimension_type; | |
56 | |
57 #ifdef BOOST_UNITS_DOXYGEN | |
58 | |
59 typedef detail::unspecified unit_type; | |
60 | |
61 #else | |
62 | |
63 typedef unit< | |
64 dimension_type, | |
65 heterogeneous_system< | |
66 heterogeneous_system_impl< | |
67 list< | |
68 heterogeneous_system_dim<scaled_base_unit,static_rational<1> >, | |
69 dimensionless_type | |
70 >, | |
71 dimension_type, | |
72 dimensionless_type | |
73 > | |
74 > | |
75 > unit_type; | |
76 | |
77 #endif | |
78 | |
79 static std::string symbol() | |
80 { | |
81 return(Scale::symbol() + base_unit_info<S>::symbol()); | |
82 } | |
83 static std::string name() | |
84 { | |
85 return(Scale::name() + base_unit_info<S>::name()); | |
86 } | |
87 }; | |
88 | |
89 } // namespace units | |
90 | |
91 } // namespace boost | |
92 | |
93 #if BOOST_UNITS_HAS_BOOST_TYPEOF | |
94 | |
95 #include BOOST_TYPEOF_INCREMENT_REGISTRATION_GROUP() | |
96 | |
97 BOOST_TYPEOF_REGISTER_TEMPLATE(boost::units::scaled_base_unit, (class)(class)) | |
98 | |
99 #endif | |
100 | |
101 namespace boost { | |
102 | |
103 #ifndef BOOST_UNITS_DOXYGEN | |
104 | |
105 namespace mpl { | |
106 | |
107 /// INTERNAL ONLY | |
108 template<class Tag> | |
109 struct less_impl<boost::units::scaled_base_unit_tag, Tag> | |
110 { | |
111 template<class T0, class T1> | |
112 struct apply : mpl::bool_< | |
113 boost::type_traits::ice_or<(mpl::less<typename T0::system_type, T1>::value), | |
114 (boost::type_traits::ice_and<boost::is_same<typename T0::system_type, T1>::value, (T0::scale_type::exponent::Numerator) < 0>::value)>::value> {}; | |
115 }; | |
116 | |
117 /// INTERNAL ONLY | |
118 template<class Tag> | |
119 struct less_impl<Tag, boost::units::scaled_base_unit_tag> | |
120 { | |
121 template<class T0, class T1> | |
122 struct apply : mpl::bool_< | |
123 boost::type_traits::ice_or<(mpl::less<T0, typename T1::system_type>::value), | |
124 boost::type_traits::ice_and<(boost::is_same<T0, typename T1::system_type>::value), ((T1::scale_type::exponent::Numerator) > 0)>::value>::value> {}; | |
125 }; | |
126 | |
127 /// INTERNAL ONLY | |
128 template<> | |
129 struct less_impl<boost::units::scaled_base_unit_tag, boost::units::scaled_base_unit_tag> | |
130 { | |
131 template<class T0, class T1> | |
132 struct apply : mpl::bool_< | |
133 boost::type_traits::ice_or<(mpl::less<typename T0::system_type, typename T1::system_type>::value), | |
134 boost::type_traits::ice_and<(boost::is_same<typename T0::system_type, typename T1::system_type>::value), | |
135 boost::type_traits::ice_or<((T0::scale_type::base) < (T1::scale_type::base)), | |
136 boost::type_traits::ice_and<((T0::scale_type::base) == (T1::scale_type::base)), | |
137 (mpl::less<typename T0::scale_type::exponent,typename T1::scale_type::exponent>::value)>::value>::value>::value>::value> {}; | |
138 }; | |
139 | |
140 } // namespace mpl | |
141 | |
142 #endif | |
143 | |
144 } // namespace boost | |
145 | |
146 #endif |